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* [Bug c/112739] New: variable 'a' is uninitialized when used within its own initialization
@ 2023-11-27 23:38 kxiang at umich dot edu
2023-11-27 23:41 ` [Bug c/112739] Not emitting warning when using an uninitialized variable " kxiang at umich dot edu
2023-11-27 23:44 ` pinskia at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: kxiang at umich dot edu @ 2023-11-27 23:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112739
Bug ID: 112739
Summary: variable 'a' is uninitialized when used within its own
initialization
Product: gcc
Version: 13.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: kxiang at umich dot edu
Target Milestone: ---
^ permalink raw reply [flat|nested] 3+ messages in thread* [Bug c/112739] Not emitting warning when using an uninitialized variable within its own initialization 2023-11-27 23:38 [Bug c/112739] New: variable 'a' is uninitialized when used within its own initialization kxiang at umich dot edu @ 2023-11-27 23:41 ` kxiang at umich dot edu 2023-11-27 23:44 ` pinskia at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: kxiang at umich dot edu @ 2023-11-27 23:41 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112739 Yiming Xiang <kxiang at umich dot edu> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|variable 'a' is |Not emitting warning when |uninitialized when used |using an uninitialized |within its own |variable within its own |initialization |initialization --- Comment #1 from Yiming Xiang <kxiang at umich dot edu> --- This piece of code doesn't emit any warning with the following command: gcc -Wall -Werror -Wuninitialized #include <stdio.h> int main(){ int a = 8; { int a = a; printf("%d\n", a); } printf("%d\n", a); } Here a is used within its own initialization, so it should emit a warning (clang does) ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c/112739] Not emitting warning when using an uninitialized variable within its own initialization 2023-11-27 23:38 [Bug c/112739] New: variable 'a' is uninitialized when used within its own initialization kxiang at umich dot edu 2023-11-27 23:41 ` [Bug c/112739] Not emitting warning when using an uninitialized variable " kxiang at umich dot edu @ 2023-11-27 23:44 ` pinskia at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: pinskia at gcc dot gnu.org @ 2023-11-27 23:44 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112739 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |DUPLICATE Status|UNCONFIRMED |RESOLVED --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/Warning-Options.html#index-Winit-self *** This bug has been marked as a duplicate of bug 91225 *** ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-11-27 23:44 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2023-11-27 23:38 [Bug c/112739] New: variable 'a' is uninitialized when used within its own initialization kxiang at umich dot edu 2023-11-27 23:41 ` [Bug c/112739] Not emitting warning when using an uninitialized variable " kxiang at umich dot edu 2023-11-27 23:44 ` pinskia at gcc dot gnu.org
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